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Thermodynamique
Calculer enthalpie (H)
H = U +PV
Calculer U
U = Q + W
Calculer H avec U
[dH] = Q+W + P[dV]
Calculer W
W = - Pex × [dV]
Si pas d'autre travail que celui d'expansion
[dH] = Q - Pex × [dV] + P[dV]